General description The 10Pcs Dust Bags for Xiaomi Roborock S7 Max Ultra, S7 Pro Ultra, Q7+, Q7 Max+, and Q5+ Robot Vacuum Cleaner are designed to provide efficient dust collection and easy disposal. These disposable replacement bags feature a unique design that prevents dust leakage and ensures hygienic disposal. Technical specifications Compatible Models: Roborock S7 Maxv Ultra, S7 Pro Ultra, Q7 Max, Q7 Max+, Q5+ Size: 16cm/6.3" × 13cm/5.1" × 15cm/5.9" Capacity: 3 liters Material: 2 layers of non-woven fabric and 2 layers of melt-blown cloth filter membrane Filtration Efficiency: Filters 99% of fine particles Usage Each dust bag can capture dust, dirt, and pet hair for up to 8 weeks, depending on the environment and frequency of use. For optimal performance, clean and replace parts on time. Other information Package Includes: 10 dust bags Provides up to 12 to 16 months of protection for your vacuum cleaner.